CyberSecBulletin
CVE-2024-29205NVD status: Deferred

Connect Secure: Improper Check or Handling of Exceptional Conditions

Published Updated By the CyberSecBulletin desk

CVE-2024-29205 is a high-severity improper check or handling of exceptional conditions vulnerability in Connect Secure from Ivanti, with a CVSS 3.0 base score of 7.5 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. The record lists versions 9.1R18.5, 22.6R2.3, 9.1R17.4 as the first without the flaw, so updating Connect Secure to one of those releases or later removes the exposure. There is no confirmed exploitation so far. EPSS estimates a 1.58% chance of exploitation within 30 days, higher than 76% of scored CVEs.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Update Connect Secure to 9.1R18.5 or 22.6R2.3 or 9.1R17.4 or 22.2R3, whichever matches your release line, or a later version.
  2. Update Policy Secure to 22.5R1.3 or 9.1R18.5 or 9.1R17.4 or 22.2R3, whichever matches your release line, or a later version.
  3. Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.

Affected products and versions

VendorProductAffected versionsFixed in
IvantiConnect Secure9.1R18.5 up to, but not including, 9.1R18.5; 22.6R2.3 up to, but not including, 22.6R2.3; 9.1R17.4 up to, but not including, 9.1R17.4; 22.2R3 up to, but not including, 22.2R3; 22.5R2.4 up to, but not including, 22.5R2.4; 9.1R14.6 up to, but not including, 9.1R14.6; 9.1R16.4 up to, but not including, 9.1R16.4; 9.1R15.4 up to, but not including, 9.1R15.4; and 21 more ranges9.1R18.5, 22.6R2.3, 9.1R17.4, 22.2R3, 22.5R2.4, 9.1R14.6
IvantiPolicy Secure22.5R1.3 up to, but not including, 22.5R1.3; 9.1R18.5 up to, but not including, 9.1R18.5; 9.1R17.4 up to, but not including, 9.1R17.4; 22.2R3 up to, but not including, 22.2R3; 22.5R1.3; 9.1R18.5; 9.1R17.4; 22.2R322.5R1.3, 9.1R18.5, 9.1R17.4, 22.2R3

Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
NetworkCan be exploited remotely over a network, including the internet.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
NoneNo account or login is needed.
User interaction
NoneNo action by a victim is required.
Scope
UnchangedImpact stays within the vulnerable component.
Confidentiality
NoneNo data is disclosed.
Integrity
NoneNothing can be modified.
Availability
HighThe component can be taken down completely.

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. Scored by CNA (hackerone.com).

Official description

An Improper Check for Unusual or Exceptional Conditions vulnerability in the web component of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure (9.x, 22.x) allows a remote unauthenticated attacker to send specially crafted requests in-order-to cause service disruptions.

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Improper Check or Handling of Exceptional Conditions

The product does not properly anticipate or handle exceptional conditions that rarely occur during normal operation of the product.

More Improper Check or Handling of Exceptional Conditions vulnerabilities (CWE-703)

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: yes, technical impact: partial).
  3. Record last changed materially (score, affected products, status or references).

References

Other vulnerabilities in Connect Secure

All Connect Secure vulnerabilities

Recent Improper Check or Handling of Exceptional Conditions vulnerabilities

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